Home / 5,381,826.40-7,428,720.14-3,207,051.76

Finding the Fourth Proportional to 5,381,826.40, 7,428,720.14 and 3,207,051.76

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Solution

The fourth proportional to 5,381,826.40, 7,428,720.14 and 3,207,051.76 is: 4,426,803.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,826.40 : 7,428,720.14 = 3,207,051.76 : x
  2. Step 2: Convert to fraction form
    5,381,826.40/7,428,720.14 = 3,207,051.76/x
  3. Step 3: Cross multiply
    5,381,826.40x = 7,428,720.14 × 3,207,051.76
  4. Step 4: Simplify right side
    5,381,826.40x = 23,824,289,999,534.45
  5. Step 5: Solve for x
    x = 23,824,289,999,534.45/5,381,826.40
  6. Step 6: Final answer
    x = 4,426,803.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.